EARNINGS PER SHARE ("EPS") (Schedule of Earnings Per Share Reconciliation) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016
Basic EPS
Net income	$ 20,102	$ 19,825	$ 40,239	$ 9,479
Basic weighted average shares (in shares)	52,619	51,378	52,531	51,200
Basic income per share (in dollars per share)	$ 0.38	$ 0.39	$ 0.77	$ 0.19
Diluted EPS
Net income	$ 20,102	$ 19,825	$ 40,239	$ 9,479
Basic weighted average shares (in shares)	52,619	51,378	52,531	51,200
Net effect of common stock equivalents (in shares)	362	323	365	263
Diluted weighted average shares (in shares)	52,981	51,701	52,896	51,463
Diluted income per share (in dollars per share)	$ 0.38	$ 0.38	$ 0.76	$ 0.18
Anti-dilutive shares excluded (in shares)	900	1,700	800	1,700